Catheter



FIG. 1 is a perspective view of a catheter;

FIG. 2 is a front view thereof, the rear view being identical;

FIG. 3 is a top view thereof, the bottom view being identical;

FIG. 4 is a right-side view thereof;

FIG. 5 is a left-side view thereof; and,

FIG. 6 is another front view thereof, at a reduced scale, to show moreof the unclaimed features.

The broken lines depict environmental subject matter only and form nopart of the claimed design.

CLAIM The ornamental design for a catheter, as shown and described.